Serpentine Sunflower

Helianthus exilis

Slender Sunflower

Helianthus gracilentus

Newhall Sunflower

Helianthus inexpectatus

Showy Sunflower

Helianthus niveus

Algodones Dunes Sunflower

Helianthus niveus ssp. tephrodes

Nuttall's Sunflower

Helianthus nuttallii

Nuttall's Sunflower

Helianthus nuttallii ssp. nuttallii

Los Angeles Sunflower

Helianthus nuttallii ssp. parishii

Prairie Sunflower

Helianthus petiolaris

Gray Desert Sunflower

Helianthus petiolaris ssp. canescens

Arizona Barley

Hordeum arizonicum

Meadow Barley

Hordeum brachyantherum

Meadow Barley

Hordeum brachyantherum ssp. brachyantherum

California Meadow Barley

Hordeum brachyantherum ssp. californicum

Low Barley

Hordeum depressum

Bobtail Barley

Hordeum intercedens

Foxtail Barley

Hordeum jubatum

Foxtail Barley

Hordeum jubatum ssp. jubatum

Little Leaf Mountain Laurel

Kalmia polifolia

Tall Blue Lettuce

Lactuca biennis

Blue Lettuce

Lactuca tatarica

Lactuca tatarica ssp. pulchella

Prairie Flax

Linum lewisii

Prairie Flax

Linum lewisii var. lewisii

Plains Flax

Linum puberulum

Drew's Silky Lupine

Lupinus adsurgens

Fleshy Lupine

Lupinus affinis

Sickle Keeled Lupine

Lupinus albicaulis

Sicklekeel Lupine

Lupinus albicaulis var. albicaulis

Shasta Lupine

Lupinus albicaulis var. shastensis

Silver Lupine

Lupinus albifrons

Abrams' Lupine

Lupinus albifrons var. abramsii

Silver Lupine

Lupinus albifrons var. albifrons

Silver Bush Lupine

Lupinus albifrons var. collinus

Douglas' Silver Lupine

Lupinus albifrons var. douglasii

Anderson's Lupine

Lupinus andersonii

Narrowflower Lupine

Lupinus angustiflorus

Anthony Peak Lupine

Lupinus antoninus

Summit Lupine

Lupinus apertus

Coastal Bush Lupine

Lupinus arboreus

San Mateo Tree Lupine

Lupinus arboreus var. eximius

Spur Lupine

Lupinus arbustus

Silvery Lupine

Lupinus argenteus

Silvery Lupine

Lupinus argenteus var. argenteus

Silvery Lupine

Lupinus argenteus var. heteranthus

Lake Tahoe Lupine

Lupinus argenteus var. meionanthus

Silvery Lupine

Lupinus argenteus var. montigenus

Lupinus argenteus var. palmeri

Arizona Lupine

Lupinus arizonicus

Spider Lupine

Lupinus benthamii

Miniature Lupine

Lupinus bicolor

Sand Lupine

Lupinus brevicaulis

Brewer's Lupine

Lupinus breweri

Brewer's Lupine

Lupinus breweri var. breweri

Matted Lupine

Lupinus breweri var. bryoides

Matted Lupine

Lupinus breweri var. grandiflorus

Santa Lucia Lupine

Lupinus cervinus

Dune Bush Lupine

Lupinus chamissonis

Orange Lupine

Lupinus citrinus

Orange Lupine

Lupinus citrinus var. citrinus